Make ~/, round, ceil, floor, truncate return ints. Remove toInt.

sdk/lib/_internal/compiler/samples/leap/leap_leg.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 compilerIsolate(port) {
   Runner runner = new Runner();
   runner.init();
 
   port.receive((msg, replyTo) {
     replyTo.send(runner.update(msg));
@@ skipping 58 matching lines @@
   // enough for now.
   handleUp(Event e) {
     var selection = html.window.getSelection();
     var range = selection.getRangeAt(0);
     var rects = range.getClientRects();
     if (rects.length < 1) {
       hide(popup);
       return;
     }
     html.ClientRect rect = rects.item(rects.length - 1);
-    if (rect.width.toInt() != 0) {
+    if (rect.width.truncate() != 0) {

[Lasse Reichstein Nielsen, 2013/01/04 10:29:42]

Thast's silly. Just use:
  rect.width >= 1

       // This is a selection of multiple characters, not a single
       // point of insertion.
       hide(popup);
       return;
     }
-    popup.style.top = "${rect.bottom.toInt()}px";
-    popup.style.left = "${rect.right.toInt()}px";
+    popup.style.top = "${rect.bottom.truncate()}px";
+    popup.style.left = "${rect.right.truncate()}px";
     // Instead of displaying this immediately, we could set up a timer
     // event and display it later. This is a matter of getting the UX
     // just right, for now it simply demonstrates that we know where
     // the insertion point is (in pixels) and what the character
     // offset is.
     show(popup);
     popup.text = '''Code completion here...
 Current character offset: ${range.startOffset}''';
     // TODO(ahe): Better detection of when [codeDiv] has changed.
     update();
@@ skipping 181 matching lines @@
     mainApp = new LibraryElement(script);
 
     universe.libraries.remove(script.uri.toString());
     Element element;
     withCurrentElement(mainApp, () {
         scanner.scan(mainApp);
       });
     return mainApp;
   }
 }